6223945728 has 672 divisors, whose sum is σ = 23427952128. Its totient is φ = 1427374080.

The previous prime is 6223945709. The next prime is 6223945753. The reversal of 6223945728 is 8275493226.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 270606325 + ... + 270606347.

It is an arithmetic number, because the mean of its divisors is an integer number (34863024).

Almost surely, 2^6223945728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6223945728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11713976064).

6223945728 is an abundant number, since it is smaller than the sum of its proper divisors (17204006400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6223945728 is a wasteful number, since it uses less digits than its factorization.

6223945728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 59 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 6223945728 is about 78891.9877300604. The cubic root of 6223945728 is about 1839.4525907824.

The spelling of 6223945728 in words is "six billion, two hundred twenty-three million, nine hundred forty-five thousand, seven hundred twenty-eight".